The Gearshaft,spur, cataloged under National Stock Number 3040-01-249-2340, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meggitt Safety Systems Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-249-2340 |
| Primary Part Number | 315C123-3 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Shaft Material | STEEL |
| Shaft Diameter | 0.3745 INCHES NOMINAL IN |
| Teeth Quantity | 12 |
| Diametral Pitch | 48 |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL OVERALL |
| Gear Material | STEEL |
| Pressure Angle | 20.0000 DEGREES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 315C123-3 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 315C123-3 | 5/9 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| 315C123-3 | 5/9 Secondary reference Eaton Motor Site |
NSN 3040-01-249-2340 is a Gearshaft,spur, manufactured by Meggitt Safety Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-249-2340 has 1 manufacturer part number on file: 315C123-3 (Meggitt Safety Systems Inc).
Key specifications for 315C123-3: Shaft Material: STEEL; Shaft Diameter: 0.3745 INCHES NOMINAL IN; Teeth Quantity: 12; Diametral Pitch: 48. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.